Three-dimensional (3d) printing system and associated pen



FIG. 1 is an isometric view of the three-dimensional (3d) printing system an associated pen;

FIG. 2 is another isometric view of the three-dimensional (3d) printing system and associated pen of FIG. 1, showing an alternate position of the associated pen;

FIG. 3 is a front elevational view of the three-dimensional (3d) printing system and associated pen of FIG. 1;

FIG. 4 is a back elevational view of the three-dimensional (3d) printing system and associated pen of FIG. 1;

FIG. 5 is a left side elevational view of the three-dimensional (3d) printing system and associated pen of FIG. 1;

FIG. 6 is a right side elevational view of the three-dimensional (3d) printing system and associated pen of FIG. 1;

FIG. 7 is a top plan view of the three-dimensional (3d) printing system and associated pen of FIG. 1; and,

FIG. 8 is a bottom plan view of the three-dimensional (3d) printing system and associated pen of FIG. 1.

The broken-line disclosure represents portions of the three-dimensional (3d) printing system and associated pen, which form no part of the claimed design. 

CLAIM The ornamental design for a three-dimensional (3d) printing system and associated pen, as shown and described. 